SchemaGraphicsScene.hpp

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#ifndef SCHEMAGRAPHICSSCENE_H
#define SCHEMAGRAPHICSSCENE_H

#include <QAction>
#include <QGraphicsLineItem>
#include <QGraphicsScene>
#include "dbe/SchemaGraphicNote.hpp"
#include "dbe/SchemaGraphicObject.hpp"
 
namespace dbse {
 
class SchemaGraphicsScene : public QGraphicsScene
{
  Q_OBJECT
public:
  explicit SchemaGraphicsScene(QObject* parent = nullptr);
  ~SchemaGraphicsScene();
  void CreateActions();
  void dragEnterEvent(QGraphicsSceneDragDropEvent* event);
  void dragMoveEvent(QGraphicsSceneDragDropEvent* event);
  void dropEvent(QGraphicsSceneDragDropEvent* event);
 
  void contextMenuEvent(QGraphicsSceneContextMenuEvent* event);
  QStringList AddItemsToScene(QStringList SchemaClasses, QList<QPointF> Positions);
  void CleanItemMap();
  void RemoveClassObject(SchemaGraphicObject* Object);
  void add_notes(QStringList notes, QList<QPointF> positions);
  void remove_note_object(SchemaGraphicNote* obj);
 
  [[nodiscard]] bool highlight_abstract() const { return m_highlight_abstract; }
  [[nodiscard]] bool highlight_active() const { return m_highlight_active; }
  [[nodiscard]] bool inherited_properties_visible() const { return m_inherited_properties_visible; }
 
  [[nodiscard]] bool show_defaults() const { return m_show_defaults; };
  [[nodiscard]] bool IsModified() const { return m_modified; };
  void ClearModified();
signals:
  void sceneModified(bool);
  void saveRequested();
 
protected:
  // bool event ( QEvent* event );
  void mousePressEvent(QGraphicsSceneMouseEvent* mouseEvent);
  void mouseMoveEvent(QGraphicsSceneMouseEvent* mouseEvent);
  void mouseReleaseEvent(QGraphicsSceneMouseEvent* mouseEvent);
  void RemoveItemFromScene(QGraphicsItem* item);
  void modified(bool state);
private slots:
  void new_class_slot();
  void add_class_slot(QString);
  void new_note_slot();
  void add_note_slot(SchemaGraphicNote*);
  void cancel_note_slot(SchemaGraphicNote*);
  void edit_note_slot();
  void remove_note_slot();
  void modified_slot();
  void EditClassSlot();
  void ToggleIndirectInfos();
  void ToggleHighlightAbstract();
  void ToggleHighlightActive();
  void ToggleHighlightClass();
  void ToggleDefault();
  void AddDirectSuperClassesSlot();
  void AddAllSuperClassesSlot();
  void AddAllSubClassesSlot();
  void AddDirectRelationshipClassesSlot();
  void AddAllRelationshipClassesSlot();
  void RemoveClassSlot();
  void RemoveArrowSlot();
  void DrawArrow(QString ClassName, QString RelationshipType, QString RelationshipName);
  void requestSave();
  void moveScene();
 
private:
  QMap<QString, SchemaGraphicObject*> ItemMap;
  std::set<SchemaGraphicNote*> m_notes;
  QGraphicsLineItem* m_line;
  QMenu* m_context_menu;
  int m_seperator_pos;
  int m_class_pos;
  int m_arrow_pos;
  int m_note_pos;
  int m_save_pos;
  QAction* m_add_class;
  QAction* m_edit_class;
  QAction* m_toggle_indirect_infos;
  QAction* m_toggle_highlight_abstract;
  QAction* m_toggle_highlight_active;
  QAction* m_toggle_highlight_class;
  QAction* m_toggle_default;
  QAction* m_add_direct_super_classes;
  QAction* m_add_direct_relationship_classes;
  QAction* m_add_all_super_classes;
  QAction* m_add_all_sub_classes;
  QAction* m_add_all_relationship_classes;
  QAction* m_add_note;
  QAction* m_edit_note;
  QAction* m_remove_note;
  QAction* m_remove_class;
  QAction* m_remove_arrow;
  QAction* m_save;
  QAction* m_move;
  QMetaObject::Connection m_addclass_connection;
  SchemaGraphicObject* CurrentObject;
  SchemaGraphicSegmentedArrow* m_current_arrow;
  SchemaGraphicNote* m_current_note;
  QPointF m_current_pos;
  QPointF m_mouse_item_pos;
  int m_next_note{ 0 };
  bool m_inherited_properties_visible;
  bool m_highlight_abstract;
  bool m_highlight_active;
  bool m_show_defaults;
  bool m_modified;
};
 
} // namespace dbse
#endif // SCHEMAGRAPHICSSCENE_H